Large filter area
Low initial resistance
Large dust holding capacity
Economical and practical

Application: Filter dust, pre-filter through air filter program
Type: synthetic fiber foldaway filter
Frame: aluminum, paper or galvanized
Media: synthetic fiber 
Protect mesh: aluminum net or stainless steel net
EN779 class:G2, G3,G4,F5
Average arrestance:84%-90%(ASHRAE52.1-1992)
EUROVENT4/5 class: EU3,EU4,EU5
DIN53438 Non-flammability Standard: F1
Final resistance: (suggested) 200Pa-250Pa
Max. air flow: 125% of the rated air flow
Temp. resistance: 100°C
Humidity:100%